Taurus-C1 Training
64
Slide 64
New ITB/PTR Separation Mechanism
 When the right drawer is closed, a strong spring below the PTR unit
rotates two cams up that lock the PTR [1] up against the bias roller [2] of
the ITB unit.
 The bias roller rotates freely around the cam shaft [4].
 When the PTR separation motor [5] turns on, the belt [6] turns the cam
shaft counter-clockwise until the actuator [7] of the PTR separation
sensor [8] rotates out of the sensor (this stops the motor). At this time,
the front [9] and rear [10] cams are pushing down on the front [11] and
rear [12] collars of the PTR. This separates the PTR from the bias roller.
 When the machine switches on the separation motor again, it rotates the
cam shaft and cams clockwise and up. This releases the pressure of the
cams on the PTR below, and the PTR and bias roller come together.
 This mechanism is unique in that the mechanism that separates the rollers has
been moved from the PTR unit to the ITB unit. The PTR separation motor, PTR
separation sensor, and cam shaft are in the ITB unit. The PTR separation motor
and separation sensor are on the front of the ITB unit.
 There is no PTR lift motor.
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